狮牙草状风毛菊果期资源分配对海拔的响应

李蕾, 王一峰, 苟文霞, 马文梅, 蒋春玲

Response of resource allocation of Saussurea leontodontoides during its fruiting stage to the elevation

LI Lei, WANG Yi-Feng, GOU Wen-Xia, MA Wen-Mei, JIANG Chun-Ling

表2 狮牙草状风毛菊不同海拔种群果期繁殖特征及资源分配(y)与个体大小(x)的回归

Table 2 Relationship between reproduction characteristics and resource allocation of population (y) at different levels of the altitude gradient in fruiting stage and individual size (x) of Saussurea leontodontoides

海拔 Altitude (m) 种子百粒质量 Hundred grain mass (g) 种子数 Seed number 繁殖器官生物量 Reproductive organ biomass (g) 营养器官生物量 Vegetative organ biomass (g) 繁殖分配 Reproductive allocation 营养分配 Vegetative allocation 3 200 y = -1.686 + 0.386x R2 = 0.187, p = 0.004 y = 2.259 + 0.338x R2 = 0.135, p = 0.200 y = -0.275 + 0.418x R2 = 0.084, p = 0.066 y = -0.216 + 1.157x R2 = 0.917, p < 0.01 y = -0.281 - 0.574x R2 = 0.149, p = 0.014 y = -0.220 + 1.161x R2 = 0.184, p = 0.006 3 490 y = -1.462 + 0.113x R2 = 0.057, p = 0.126 y = 2.246 + 0.329x R2 = 0.108, p = 0.040 y = -0.498 + 0.775x R2 = 0.641, p < 0.01 y = -0.221 + 1.129x R2 = 0.955, p < 0.01 y = -0.498 - 0.223x R2 = 0.133, p = 0.021 y = -0.211 + 0.115x R2 = 0.182, p = 0.004 3 690 y = -1.439 + 0.107x R2 = 0.081, p = 0.072 y = 2.182 + 0.405x R2 = 0.173, p = 0.009 y = -0.370 + 0.581x R2 = 0.265, p = 0.001 y = -0.196 + 1.102x R2 = 0.916, p < 0.01 y = -0.368 - 0.422x R2 = 0.160, p = 0.011 y = -0.191 + 0.094x R2 = 0.076, p = 0.070 3 970 y = -1.419 + 0.102x R2 = 0.053, p = 0.154 y = 2.270 + 0.260x R2 = 0.14, p = 0.015 y = -0.119 + 0.208x R2 = 0.09, p = 0.064 y = -0.297 + 1.183x R2 = 0.798, p = 0.010 y = -0.119 - 0.791x R2 = 0.583, p < 0.01 y = -0.298 + 0.185x R2 = 0.092, p = 0.054 4 260 y = -1.376 + 0.060x R2 = 0.047, p = 0.185 y = 2.375 + 0.064x R2 = 0.038, p = 0.196 y = -0.229 + 0.299x R2 = 0.152, p = 0.013 y = -0.341 + 1.192x R2 = 0.751, p < 0.01 y = -0.226 - 0.704x R2 = 0.497, p < 0.01 y = -0.343 + 0.196x R2 = 0.075, p = 0.091 4 540 y = -1.516 + 0.376x R2 = 0.231, p = 0.003 y = 2.264 + 0.272x R2 = 0.098, p = 0.049 y = -0.430 + 0.697x R2 = 0.262, p = 0.001 y = -0.164 + 0.940x R2 = 0.385, p < 0.01 y = -0.439 - 0.287x R2 = 0.055, p = 0.144 y = -0.182 + 0.024x R2 = 3.94E-4, p = 0.840 F B: 0.790ns A: 9.886**